28542885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 55738368

約数和(自身を除く): 27195483

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 53, 69, 105, 115, 159, 161, 223, 265, 345, 371, 483, 669, 795, 805, 1113, 1115, 1219, 1561, 1855, 2415, 3345, 3657, 4683, 5129, 5565, 6095, 7805, 8533, 11819, 15387, 18285, 23415, 25599, 25645, 35457, 35903, 42665, 59095, 76935, 82733, 107709, 127995, 177285, 179515, 248199, 271837, 413665, 538545, 815511, 1240995, 1359185, 1902859, 4077555, 5708577, 9514295, 28542885]

約数ペア:

[(1, 28542885), (3, 9514295), (5, 5708577), (7, 4077555), (15, 1902859), (21, 1359185), (23, 1240995), (35, 815511), (53, 538545), (69, 413665), (105, 271837), (115, 248199), (159, 179515), (161, 177285), (223, 127995), (265, 107709), (345, 82733), (371, 76935), (483, 59095), (669, 42665), (795, 35903), (805, 35457), (1113, 25645), (1115, 25599), (1219, 23415), (1561, 18285), (1855, 15387), (2415, 11819), (3345, 8533), (3657, 7805), (4683, 6095), (5129, 5565)]