201671775

素因数分解:

$3^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 379819440

約数和(自身を除く): 178147665

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 89, 135, 225, 243, 267, 373, 405, 445, 675, 801, 1119, 1215, 1335, 1865, 2025, 2225, 2403, 3357, 4005, 5595, 6075, 6675, 7209, 9325, 10071, 12015, 16785, 20025, 21627, 27975, 30213, 33197, 36045, 50355, 60075, 83925, 90639, 99591, 108135, 151065, 165985, 180225, 251775, 298773, 453195, 497955, 540675, 755325, 829925, 896319, 1493865, 2265975, 2489775, 2688957, 4481595, 7469325, 8066871, 13444785, 22407975, 40334355, 67223925, 201671775]

約数ペア:

[(1, 201671775), (3, 67223925), (5, 40334355), (9, 22407975), (15, 13444785), (25, 8066871), (27, 7469325), (45, 4481595), (75, 2688957), (81, 2489775), (89, 2265975), (135, 1493865), (225, 896319), (243, 829925), (267, 755325), (373, 540675), (405, 497955), (445, 453195), (675, 298773), (801, 251775), (1119, 180225), (1215, 165985), (1335, 151065), (1865, 108135), (2025, 99591), (2225, 90639), (2403, 83925), (3357, 60075), (4005, 50355), (5595, 36045), (6075, 33197), (6675, 30213), (7209, 27975), (9325, 21627), (10071, 20025), (12015, 16785)]