198090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 539136

約数和(自身を除く): 341046

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 71, 90, 93, 142, 155, 186, 213, 279, 310, 355, 426, 465, 558, 639, 710, 930, 1065, 1278, 1395, 2130, 2201, 2790, 3195, 4402, 6390, 6603, 11005, 13206, 19809, 22010, 33015, 39618, 66030, 99045, 198090]

約数ペア:

[(1, 198090), (2, 99045), (3, 66030), (5, 39618), (6, 33015), (9, 22010), (10, 19809), (15, 13206), (18, 11005), (30, 6603), (31, 6390), (45, 4402), (62, 3195), (71, 2790), (90, 2201), (93, 2130), (142, 1395), (155, 1278), (186, 1065), (213, 930), (279, 710), (310, 639), (355, 558), (426, 465)]