15902154

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 36526464

約数和(自身を除く): 20624310

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 541, 639, 1082, 1278, 1623, 1633, 3246, 3266, 4869, 4899, 9738, 9798, 12443, 14697, 24886, 29394, 37329, 38411, 74658, 76822, 111987, 115233, 223974, 230466, 345699, 691398, 883453, 1766906, 2650359, 5300718, 7951077, 15902154]

約数ペア:

[(1, 15902154), (2, 7951077), (3, 5300718), (6, 2650359), (9, 1766906), (18, 883453), (23, 691398), (46, 345699), (69, 230466), (71, 223974), (138, 115233), (142, 111987), (207, 76822), (213, 74658), (414, 38411), (426, 37329), (541, 29394), (639, 24886), (1082, 14697), (1278, 12443), (1623, 9798), (1633, 9738), (3246, 4899), (3266, 4869)]