20171728185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{11807}}^1$

素因数の和:12182

約数の個数: 64

約数和(自身を含む): 37707005952

約数和(自身を除く): 17535277767

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 307, 371, 795, 921, 1113, 1535, 1855, 2149, 4605, 5565, 6447, 10745, 11807, 16271, 32235, 35421, 48813, 59035, 81355, 82649, 113897, 177105, 244065, 247947, 341691, 413245, 569485, 625771, 1239735, 1708455, 1877313, 3128855, 3624749, 4380397, 9386565, 10874247, 13141191, 18123745, 21901985, 25373243, 54371235, 65705955, 76119729, 126866215, 192111697, 380598645, 576335091, 960558485, 1344781879, 2881675455, 4034345637, 6723909395, 20171728185]

約数ペア:

[(1, 20171728185), (3, 6723909395), (5, 4034345637), (7, 2881675455), (15, 1344781879), (21, 960558485), (35, 576335091), (53, 380598645), (105, 192111697), (159, 126866215), (265, 76119729), (307, 65705955), (371, 54371235), (795, 25373243), (921, 21901985), (1113, 18123745), (1535, 13141191), (1855, 10874247), (2149, 9386565), (4605, 4380397), (5565, 3624749), (6447, 3128855), (10745, 1877313), (11807, 1708455), (16271, 1239735), (32235, 625771), (35421, 569485), (48813, 413245), (59035, 341691), (81355, 247947), (82649, 244065), (113897, 177105)]