31916115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 70566912

約数和(自身を除く): 38650797

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 61, 63, 77, 99, 105, 151, 165, 183, 231, 305, 315, 385, 427, 453, 495, 549, 671, 693, 755, 915, 1057, 1155, 1281, 1359, 1661, 2013, 2135, 2265, 2745, 3171, 3355, 3465, 3843, 4697, 4983, 5285, 6039, 6405, 6795, 8305, 9211, 9513, 10065, 11627, 14091, 14949, 15855, 19215, 23485, 24915, 27633, 30195, 34881, 42273, 46055, 47565, 58135, 64477, 70455, 74745, 82899, 101321, 104643, 138165, 174405, 193431, 211365, 303963, 322385, 414495, 506605, 523215, 580293, 709247, 911889, 967155, 1519815, 2127741, 2901465, 3546235, 4559445, 6383223, 10638705, 31916115]

約数ペア:

[(1, 31916115), (3, 10638705), (5, 6383223), (7, 4559445), (9, 3546235), (11, 2901465), (15, 2127741), (21, 1519815), (33, 967155), (35, 911889), (45, 709247), (55, 580293), (61, 523215), (63, 506605), (77, 414495), (99, 322385), (105, 303963), (151, 211365), (165, 193431), (183, 174405), (231, 138165), (305, 104643), (315, 101321), (385, 82899), (427, 74745), (453, 70455), (495, 64477), (549, 58135), (671, 47565), (693, 46055), (755, 42273), (915, 34881), (1057, 30195), (1155, 27633), (1281, 24915), (1359, 23485), (1661, 19215), (2013, 15855), (2135, 14949), (2265, 14091), (2745, 11627), (3171, 10065), (3355, 9513), (3465, 9211), (3843, 8305), (4697, 6795), (4983, 6405), (5285, 6039)]