31055955

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 63037440

約数和(自身を除く): 31981485

約数列:

[1, 3, 5, 7, 15, 21, 29, 31, 35, 47, 49, 87, 93, 105, 141, 145, 147, 155, 203, 217, 235, 245, 329, 435, 465, 609, 651, 705, 735, 899, 987, 1015, 1085, 1363, 1421, 1457, 1519, 1645, 2303, 2697, 3045, 3255, 4089, 4263, 4371, 4495, 4557, 4935, 6293, 6815, 6909, 7105, 7285, 7595, 9541, 10199, 11515, 13485, 18879, 20445, 21315, 21855, 22785, 28623, 30597, 31465, 34545, 42253, 44051, 47705, 50995, 66787, 71393, 94395, 126759, 132153, 143115, 152985, 200361, 211265, 214179, 220255, 295771, 333935, 356965, 633795, 660765, 887313, 1001805, 1070895, 1478855, 2070397, 4436565, 6211191, 10351985, 31055955]

約数ペア:

[(1, 31055955), (3, 10351985), (5, 6211191), (7, 4436565), (15, 2070397), (21, 1478855), (29, 1070895), (31, 1001805), (35, 887313), (47, 660765), (49, 633795), (87, 356965), (93, 333935), (105, 295771), (141, 220255), (145, 214179), (147, 211265), (155, 200361), (203, 152985), (217, 143115), (235, 132153), (245, 126759), (329, 94395), (435, 71393), (465, 66787), (609, 50995), (651, 47705), (705, 44051), (735, 42253), (899, 34545), (987, 31465), (1015, 30597), (1085, 28623), (1363, 22785), (1421, 21855), (1457, 21315), (1519, 20445), (1645, 18879), (2303, 13485), (2697, 11515), (3045, 10199), (3255, 9541), (4089, 7595), (4263, 7285), (4371, 7105), (4495, 6909), (4557, 6815), (4935, 6293)]