1945755

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 64

約数和(自身を含む): 4147200

約数和(自身を除く): 2201445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 71, 87, 105, 135, 145, 189, 203, 213, 261, 315, 355, 435, 497, 609, 639, 783, 945, 1015, 1065, 1305, 1491, 1827, 1917, 2059, 2485, 3045, 3195, 3915, 4473, 5481, 6177, 7455, 9135, 9585, 10295, 13419, 14413, 18531, 22365, 27405, 30885, 43239, 55593, 67095, 72065, 92655, 129717, 216195, 277965, 389151, 648585, 1945755]

約数ペア:

[(1, 1945755), (3, 648585), (5, 389151), (7, 277965), (9, 216195), (15, 129717), (21, 92655), (27, 72065), (29, 67095), (35, 55593), (45, 43239), (63, 30885), (71, 27405), (87, 22365), (105, 18531), (135, 14413), (145, 13419), (189, 10295), (203, 9585), (213, 9135), (261, 7455), (315, 6177), (355, 5481), (435, 4473), (497, 3915), (609, 3195), (639, 3045), (783, 2485), (945, 2059), (1015, 1917), (1065, 1827), (1305, 1491)]