30989475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 63835200

約数和(自身を除く): 32845725

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 475, 495, 627, 659, 825, 855, 1045, 1425, 1881, 1977, 2475, 3135, 3295, 4275, 5225, 5931, 7249, 9405, 9885, 12521, 15675, 16475, 21747, 29655, 36245, 37563, 47025, 49425, 62605, 65241, 108735, 112689, 137731, 148275, 181225, 187815, 313025, 326205, 413193, 543675, 563445, 688655, 939075, 1239579, 1631025, 2065965, 2817225, 3443275, 6197895, 10329825, 30989475]

約数ペア:

[(1, 30989475), (3, 10329825), (5, 6197895), (9, 3443275), (11, 2817225), (15, 2065965), (19, 1631025), (25, 1239579), (33, 939075), (45, 688655), (55, 563445), (57, 543675), (75, 413193), (95, 326205), (99, 313025), (165, 187815), (171, 181225), (209, 148275), (225, 137731), (275, 112689), (285, 108735), (475, 65241), (495, 62605), (627, 49425), (659, 47025), (825, 37563), (855, 36245), (1045, 29655), (1425, 21747), (1881, 16475), (1977, 15675), (2475, 12521), (3135, 9885), (3295, 9405), (4275, 7249), (5225, 5931)]