28843395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 55240704

約数和(自身を除く): 26397309

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 71, 73, 105, 159, 213, 219, 265, 355, 365, 371, 497, 511, 795, 1065, 1095, 1113, 1491, 1533, 1855, 2485, 2555, 3763, 3869, 5183, 5565, 7455, 7665, 11289, 11607, 15549, 18815, 19345, 25915, 26341, 27083, 36281, 56445, 58035, 77745, 79023, 81249, 108843, 131705, 135415, 181405, 274699, 395115, 406245, 544215, 824097, 1373495, 1922893, 4120485, 5768679, 9614465, 28843395]

約数ペア:

[(1, 28843395), (3, 9614465), (5, 5768679), (7, 4120485), (15, 1922893), (21, 1373495), (35, 824097), (53, 544215), (71, 406245), (73, 395115), (105, 274699), (159, 181405), (213, 135415), (219, 131705), (265, 108843), (355, 81249), (365, 79023), (371, 77745), (497, 58035), (511, 56445), (795, 36281), (1065, 27083), (1095, 26341), (1113, 25915), (1491, 19345), (1533, 18815), (1855, 15549), (2485, 11607), (2555, 11289), (3763, 7665), (3869, 7455), (5183, 5565)]