275481855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1781

約数の個数: 96

約数和(自身を含む): 580919040

約数和(自身を除く): 305437185

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 33, 45, 51, 55, 57, 85, 95, 99, 153, 165, 171, 187, 209, 255, 285, 323, 495, 561, 627, 765, 855, 935, 969, 1045, 1615, 1683, 1723, 1881, 2805, 2907, 3135, 3553, 4845, 5169, 8415, 8615, 9405, 10659, 14535, 15507, 17765, 18953, 25845, 29291, 31977, 32737, 53295, 56859, 77535, 87873, 94765, 98211, 146455, 159885, 163685, 170577, 263619, 284295, 294633, 322201, 360107, 439365, 491055, 556529, 852885, 966603, 1080321, 1318095, 1473165, 1611005, 1669587, 1800535, 2782645, 2899809, 3240963, 4833015, 5008761, 5401605, 6121819, 8347935, 14499045, 16204815, 18365457, 25043805, 30609095, 55096371, 91827285, 275481855]

約数ペア:

[(1, 275481855), (3, 91827285), (5, 55096371), (9, 30609095), (11, 25043805), (15, 18365457), (17, 16204815), (19, 14499045), (33, 8347935), (45, 6121819), (51, 5401605), (55, 5008761), (57, 4833015), (85, 3240963), (95, 2899809), (99, 2782645), (153, 1800535), (165, 1669587), (171, 1611005), (187, 1473165), (209, 1318095), (255, 1080321), (285, 966603), (323, 852885), (495, 556529), (561, 491055), (627, 439365), (765, 360107), (855, 322201), (935, 294633), (969, 284295), (1045, 263619), (1615, 170577), (1683, 163685), (1723, 159885), (1881, 146455), (2805, 98211), (2907, 94765), (3135, 87873), (3553, 77535), (4845, 56859), (5169, 53295), (8415, 32737), (8615, 31977), (9405, 29291), (10659, 25845), (14535, 18953), (15507, 17765)]