128583399

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 209599488

約数和(自身を除く): 81016089

約数列:

[1, 3, 7, 21, 37, 47, 49, 111, 141, 147, 259, 329, 503, 777, 987, 1509, 1739, 1813, 2303, 3521, 5217, 5439, 6909, 10563, 12173, 18611, 23641, 24647, 36519, 55833, 70923, 73941, 85211, 130277, 165487, 255633, 390831, 496461, 874717, 911939, 1158409, 2624151, 2735817, 3475227, 6123019, 18369057, 42861133, 128583399]

約数ペア:

[(1, 128583399), (3, 42861133), (7, 18369057), (21, 6123019), (37, 3475227), (47, 2735817), (49, 2624151), (111, 1158409), (141, 911939), (147, 874717), (259, 496461), (329, 390831), (503, 255633), (777, 165487), (987, 130277), (1509, 85211), (1739, 73941), (1813, 70923), (2303, 55833), (3521, 36519), (5217, 24647), (5439, 23641), (6909, 18611), (10563, 12173)]